package cn.org.timespace.easyframe.util.report.model;






/**
 * ������ʾ��ƽ��ֵ�ı����
 *
 */
public class FootAvgColumn extends FootComputeColumn {

	public FootAvgColumn(Foot foot, Column positionColumn) {
		super(foot, positionColumn);
		this.addRelativeColumnKey("COLUMN",positionColumn.getKey());
		this.setExpression("AVG(COLUMN)");
	}


}
